package com.ruoyi.web.controller.system;

import java.io.UnsupportedEncodingException;
import java.nio.charset.StandardCharsets;
import java.util.List;
import java.util.Set;

import cn.hutool.crypto.SecureUtil;
import cn.hutool.crypto.symmetric.SymmetricAlgorithm;
import com.ruoyi.common.exception.ServiceException;
import com.ruoyi.common.utils.AESUtils;
import io.jsonwebtoken.Claims;
import io.jsonwebtoken.Jwts;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.core.env.Environment;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RestController;
import com.ruoyi.common.constant.Constants;
import com.ruoyi.common.core.domain.AjaxResult;
import com.ruoyi.common.core.domain.entity.SysMenu;
import com.ruoyi.common.core.domain.entity.SysUser;
import com.ruoyi.common.core.domain.model.LoginBody;
import com.ruoyi.common.utils.SecurityUtils;
import com.ruoyi.framework.web.service.SysLoginService;
import com.ruoyi.framework.web.service.SysPermissionService;
import com.ruoyi.system.service.ISysMenuService;

import javax.annotation.Resource;

/**
 * 登录验证
 *
 * @author ruoyi
 */
@RestController
public class SysLoginController {


//    @Value("${aes.key}")
//    private String aseKey;

    @Resource
    private SysLoginService loginService;

    @Resource
    private ISysMenuService menuService;

    @Resource
    private SysPermissionService permissionService;


    @Resource
    private Environment environment;

    /**
     * 登录方法
     *
     * @param loginBody 登录信息
     * @return 结果
     */
    @PostMapping("/login")
    public AjaxResult login(@RequestBody LoginBody loginBody) {
        String devActive = environment.getProperty("spring.profiles.active");
        if (devActive.equals("druid")) {
            return AjaxResult.error("当前环境禁止直接登入，请从I至诚门户首页进入");
        }
        AjaxResult ajax = AjaxResult.success();
        // 生成令牌
        String token = loginService.login(loginBody.getUsername(), loginBody.getPassword(), loginBody.getCode(),
                loginBody.getUuid());
        ajax.put(Constants.TOKEN, token);
        return ajax;
    }

    /**
     * 获取用户信息
     *
     * @return 用户信息
     */
    @GetMapping("getInfo")
    public AjaxResult getInfo() {
        SysUser user = SecurityUtils.getLoginUser().getUser();
        // 角色集合
        Set<String> roles = permissionService.getRolePermission(user);
        // 权限集合
        Set<String> permissions = permissionService.getMenuPermission(user);
        AjaxResult ajax = AjaxResult.success();
        ajax.put("user", user);
        ajax.put("roles", roles);
        ajax.put("permissions", permissions);
        //TODO 根据用户的角色，判断用户的首页
        //一个用户可能有多个角色，那么取权重最大的那个角色来显示首页
        ajax.put("indexUrl", "");//用户首页
        return ajax;
    }

    /**
     * 获取路由信息
     *
     * @return 路由信息
     */
    @GetMapping("getRouters")
    public AjaxResult getRouters() {
        Long userId = SecurityUtils.getUserId();
        List<SysMenu> menus = menuService.selectMenuTreeByUserId(userId);
        return AjaxResult.success(menuService.buildMenus(menus));
    }
}
